A011776 - cp's OEIS frontend

A011776 a(1) = 1; for n > 1, a(n) is defined by the property that n^a(n) divides n! but n^(a(n)+1) does not.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	2
9	2
10	2
11	1
12	5
13	1
14	2
15	3
16	3
17	1
18	4
19	1
20	4
21	3
22	2
23	1
24	7
25	3
26	2
27	4
28	4
29	1
30	7
31	1
32	6
33	3
34	2
35	5
36	8
37	1
38	2
39	3
40	9
41	1
42	6
43	1
44	4
45	10
46	2
47	1
48	11
49	4
50	6
51	3
52	4
53	1
54	8
55	5
56	9
57	3
58	2
59	1
60	14
61	1
62	2
63	10
64	10
65	5
66	6
67	1
68	4
69	3
70	11
71	1
72	17
73	1
74	2
75	9
76	4
77	7
78	6
79	1
80	19
81	10
82	2
83	1
84	13
85	5
86	2
87	3
88	8
89	1
90	21

[1, 1, 1, 1, 1, 2, 1, 2, 2, 2, 1, 5, 1, 2, 3, 3, 1, 4, 1, 4, 3, 2, 1, 7, 3, 2, 4, 4, 1, 7, 1, 6, 3, 2, 5, 8, 1, 2, 3, 9, 1, 6, 1, 4, 10, 2, 1, 11, 4, 6, 3, 4, 1, 8, 5, 9, 3, 2, 1, 14, 1, 2, 10, 10, 5, 6, 1, 4, 3, 11, 1, 17, 1, 2, 9, 4, 7, 6, 1, 19, 10, 2, 1, 13, 5, 2, 3, 8, 1, 21]

cp's OEIS Frontend

A011776 a(1) = 1; for n > 1, a(n) is defined by the property that n^a(n) divides n! but n^(a(n)+1) does not.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	2
9	2
10	2
11	1
12	5
13	1
14	2
15	3
16	3
17	1
18	4
19	1
20	4
21	3
22	2
23	1
24	7
25	3
26	2
27	4
28	4
29	1
30	7
31	1
32	6
33	3
34	2
35	5
36	8
37	1
38	2
39	3
40	9
41	1
42	6
43	1
44	4
45	10
46	2
47	1
48	11
49	4
50	6
51	3
52	4
53	1
54	8
55	5
56	9
57	3
58	2
59	1
60	14
61	1
62	2
63	10
64	10
65	5
66	6
67	1
68	4
69	3
70	11
71	1
72	17
73	1
74	2
75	9
76	4
77	7
78	6
79	1
80	19
81	10
82	2
83	1
84	13
85	5
86	2
87	3
88	8
89	1
90	21

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	2
9	2
10	2
11	1
12	5
13	1
14	2
15	3
16	3
17	1
18	4
19	1
20	4
21	3
22	2
23	1
24	7
25	3
26	2
27	4
28	4
29	1
30	7
31	1
32	6
33	3
34	2
35	5
36	8
37	1
38	2
39	3
40	9
41	1
42	6
43	1
44	4
45	10
46	2
47	1
48	11
49	4
50	6
51	3
52	4
53	1
54	8
55	5
56	9
57	3
58	2
59	1
60	14
61	1
62	2
63	10
64	10
65	5
66	6
67	1
68	4
69	3
70	11
71	1
72	17
73	1
74	2
75	9
76	4
77	7
78	6
79	1
80	19
81	10
82	2
83	1
84	13
85	5
86	2
87	3
88	8
89	1
90	21

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	2
9	2
10	2
11	1
12	5
13	1
14	2
15	3
16	3
17	1
18	4
19	1
20	4
21	3
22	2
23	1
24	7
25	3
26	2
27	4
28	4
29	1
30	7
31	1
32	6
33	3
34	2
35	5
36	8
37	1
38	2
39	3
40	9
41	1
42	6
43	1
44	4
45	10
46	2
47	1
48	11
49	4
50	6
51	3
52	4
53	1
54	8
55	5
56	9
57	3
58	2
59	1
60	14
61	1
62	2
63	10
64	10
65	5
66	6
67	1
68	4
69	3
70	11
71	1
72	17
73	1
74	2
75	9
76	4
77	7
78	6
79	1
80	19
81	10
82	2
83	1
84	13
85	5
86	2
87	3
88	8
89	1
90	21